this post was submitted on 04 Aug 2025
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Depending on age you'll need medicine and heat/AC. Fridge or some way to preserve food( yeah there's ways to do that without electricity). Guess most of this is under electric utilities, but it's hard to get consistent electricity and batteries are expensive
For just running a fridge and lights you don't need too much solar/battery. They have 12v compressors now that are pretty efficient and blow absorption fridges out of the water in cooling. AC is a beast though. No getting around that. Heat could be wood, Propane gche or whatever. Not electric.
I did see a guy make a cooler with a cistern, pump and radiator. Water in the cistern/well is cold most of the year. Guess you just have to drain it in the winter, but yeah I'd say batteries can be a money sink.
Also I did kill a lot of batteries by hooking them in parallel to a bad 12v battery, buuut that's just me saying battery system can go for a lot